From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: SATA port multiplier(Marvell 6121 with ahci) and Marvell 4140, simg 3726 Date: Sat, 02 Aug 2008 01:16:32 +0900 Message-ID: <489336E0.7020409@kernel.org> References: <788014650807302022j30cea641wcfe4105ac8702b8c@mail.gmail.com> <48918D52.3010404@gmail.com> <48918DD9.9050603@kernel.org> <788014650807310612x70347f8dt56ed650dc6b8c5ca@mail.gmail.com> <48926F7E.1020807@kernel.org> <48930B2E.9060604@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:49928 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751567AbYHAQRj (ORCPT ); Fri, 1 Aug 2008 12:17:39 -0400 In-Reply-To: <48930B2E.9060604@pobox.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: khchen@synology.com, linux-ide@vger.kernel.org Mark Lord wrote: > I have exactly zero documentation on those chips, > but they are supposedly AHCI compliant. > > Looking in drivers/ata/ahci.c, one can see that the chips are indeed > supported, > and there the AHCI_HFLAG_NO_PMP is *not* set, so one might expect them > to work > with a port-multiplier already. ? I bet it's more like nobody tried yet. :-P -- tejun